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  • The rules for subtracting integers are very simple 1. Switch the subtraction sign into a addition sign 2. Turn the second numbers sign into its opposite Also note leave the first number as is
  • The rules for subtracting integers are very simple 1. Switch the subtraction sign into a addition sign 2. Turn the second numbers sign into its opposite Also note leave the first number as is
  • Lets do one on the board
  • 1. [+6]-[+2]= +6 + -2 =4 [+6]-[+2]=+4 Now do these 4 questions on your own 1.[+11]-[-8]= 2.[-13]-[+5]= 3.[-2]-[-15]= 4.[+6]-[+9]=
  • 1. [+6]-[+2]= +6 + -2 =4 [+6]-[+2]=+4 Now do these 4 questions on your own 1.[+11]-[-8]= 2.[-13]-[+5]= 3.[-2]-[-15]= 4.[+6]-[+9]=
  • Now class we will learn how to multiply and divide integers since they share the same rules.
  • 1. The first rule which both dividing and multiplying share is that if the integers are - and + the answer will be -
  • 2. The second rule is that if the integers are - and - or + and + the answer will be a positive integer
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